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From: Andrew Senkevich <andrew.n.senkevich@gmail.com>
Date: Wed, 10 Jun 2015 14:58:44 +0300
Message-ID: 
 <CAMXFM3vQrx3ZrYtfNiEoU=e66PGKnVNtwr0i9ihzXer4L5Xn7A@mail.gmail.com>
Subject: Re: [PATCH] Update of minimal required version of Binutils to 2.25
To: Andreas Schwab <schwab@suse.de>
Cc: Joseph Myers <joseph@codesourcery.com>,
	libc-alpha <libc-alpha@sourceware.org>

2015-06-10 14:01 GMT+03:00 Andreas Schwab <schwab@suse.de>:
> Andrew Senkevich <andrew.n.senkevich@gmail.com> writes:
>
>> diff --git a/sysdeps/x86_64/configure.ac b/sysdeps/x86_64/configure.ac
>> index 1c2b35f..dcf6cb5 100644
>> --- a/sysdeps/x86_64/configure.ac
>> +++ b/sysdeps/x86_64/configure.ac
>> @@ -26,7 +26,7 @@ LIBC_CONFIG_VAR([config-cflags-avx], [$libc_cv_cc_avx])
>>  dnl Check if asm supports AVX512.
>>  AC_CACHE_CHECK(for AVX512 support in assembler, libc_cv_asm_avx512, [dnl
>>  cat > conftest.s <<\EOF
>> -        vmovdqu64 %zmm0, (%rsp)
>> +        vandpd (%rax), %zmm6, %zmm1
>
> Please keep them both.


Ok for commit?
---
WBR,
Andrew

diff --git a/sysdeps/x86_64/configure b/sysdeps/x86_64/configure
index 1493523..552f535 100644
--- a/sysdeps/x86_64/configure
+++ b/sysdeps/x86_64/configure
@@ -102,6 +102,7 @@ if ${libc_cv_asm_avx512+:} false; then :
 else
   cat > conftest.s <<\EOF
         vmovdqu64 %zmm0, (%rsp)
+        vandpd (%rax), %zmm6, %zmm1
 EOF
 if { ac_try='${CC-cc} -c $ASFLAGS conftest.s 1>&5'
   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
diff --git a/sysdeps/x86_64/configure.ac b/sysdeps/x86_64/configure.ac
index 1c2b35f..e7208c9 100644
--- a/sysdeps/x86_64/configure.ac
+++ b/sysdeps/x86_64/configure.ac
@@ -27,6 +27,7 @@ dnl Check if asm supports AVX512.
 AC_CACHE_CHECK(for AVX512 support in assembler, libc_cv_asm_avx512, [dnl
 cat > conftest.s <<\EOF
         vmovdqu64 %zmm0, (%rsp)
+        vandpd (%rax), %zmm6, %zmm1
 EOF
 if AC_TRY_COMMAND(${CC-cc} -c $ASFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
   libc_cv_asm_avx512=yes